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Added 12 mins ago
Legal Administrative Coordinator - Legal Services - Regular Full-Time 2026-18615 (2026-18615)
Sunnybrook
Toronto, ON
Full-time
…administrative and operational support to the CLO and the Legal Services Department. The successful candidate will manage the CLO’s calendar, coordinate meetings and communications with…
Added 12 mins ago
Director of Operations - Sunnybrook Research Institute - Regular Full-time 2026-17836 (2026-17836)
Sunnybrook
Toronto, ON
Full-time
…than 360 scientists conducting $160M in annual research and development. With well-established programs in basic and applied sciences spanning three scientific platforms and ten clinical…
Added 12 mins ago
Personal Support Worker Evenings and Overnights
Qualicare
Burlington, ON
$20 to $23 USD / hour
Full-time
…passionate about contributing to healthcare with your valuable services, then we are the PERFECT FIT for…
Added 12 mins ago
Cook - Event Conference Center
Sodexo Canada Ltd
Toronto, ON
Full-time
Access to ongoing training and development programs
Added 12 mins ago
Event Cook, Corporate Services
Sodexo Canada Ltd
Toronto, ON
Full-time
Access to ongoing training and development programs
Added 27 mins ago
Manager/Associate Director, Operational Effectiveness & Partner Communications
YouPotential
Toronto, ON · Greater Toronto Area, Canada
Full-time
…Canadian Portfolio Managers on the leading edge of the financial services and financial technology…
Added 27 mins ago
Project Manager - Project REACH- Temporary Full-Time 2025-14137 (2025-14137)
Sunnybrook
Toronto, ON
Full-time
…including pre-hospital, acute, and post-acute and key specialty services for…
Added 27 mins ago
Data Engineer
Wiraa
Canada
Full-time
…positions it as a pivotal player in transforming how manufacturing services are delivered in today’s rapidly evolving industrial…
Added 27 mins ago
Legal Counsel
Nova Scotia Health Authority
Halifax, NS
$48.53 to $98.48 CAD / hour
Full-time
Legal Counsel provides legal advice and strategic direction to NSH employees and senior leadership with primary responsibility for the Research and Innovation teams; they analyze and…
Added 27 mins ago
Business Development Team Lead
Fenergo
Toronto, ON
Full-time
As Business Development Team Lead you will carry your own number and lead a team to carry theirs. You will be the example of excellence the team learns from, the operator who sets the pace,…
Added 27 mins ago
Senior Delivery Manager, Temporary
Aviso
Toronto, ON
Temporary
We're looking to fill an opening for a Senior Delivery Manager to join the Enterprise Project Management Office for 12 months.
Added 42 mins ago
Senior Java Technical Lead, Foreign Exchange (FX) Options Primary Trading
HSBC
Toronto, ON
Full-time
Join our FX Options technology team in Toronto as a hands-on Senior Java Technical Lead supporting the FX Options Primary Trading System. The FX Option Risk Monitoring System is a key…
Added 57 mins ago
Hardware Validation Senior Engineering Manager
Synopsys Inc
Mississauga, ON
Full-time
…silicon design, IP, simulation and analysis solutions, and design services. We partner closely with our customers across a wide range of industries to maximize their R&D capability and…
Added 57 mins ago
Senior Staff Hardware Validation Engineer
Synopsys Inc
Mississauga, ON
Full-time
…silicon design, IP, simulation and analysis solutions, and design services. We partner closely with our customers across a wide range of industries to maximize their R&D capability and…
Added 57 mins ago
Senior Advisor, Digital Assets
National Bank of Canada
Montreal, QC
Full-time
A career as a Senior Advisor within the Strategy, Data and Performance team at National Bank means acting as a key contributor to the development and evolution of Digital Assets…
Added 57 mins ago
Senior Advisor Employee Relations
National Bank of Canada
Montreal, QC
Full-time
A career as a Senior Advisor in the Employee Relations team, within the Human Performance Experience sector at National Bank, means acting as an expert through diverse mandates. You help…
Added 58 mins ago
Microsoft Alliance Presales Leader - AI Business Solutions
EY
Toronto, ON · Vancouver, BC
Client Engagement: Engage with senior client stakeholders to shape transformation opportunities and articulate clear, outcome-driven value propositions.
Added 1 hour ago
Senior Engineer - Inventory
Southwestern Ontario Field Unit, Parks Canada
Ottawa, ON
Full-time
No endorsement of any products or services is expressed or implied.
Added 1 hour ago
Credit Analyst, Senior Director, Power & Energy, Corporate, Infrastructure and Project Finance Group
Fitch Ratings
Toronto, ON
Full-time
Senior Director, Power and Energy, Corporate, Infrastructure and Project Finance Group
Added 1 hour ago
Graphic Designer
Social It Official
NB · Chiasson Office, NB
Full-time
Collaborate with the design and development teams to translate designs into functional, responsive websites.
Added 1 hour ago
Cloud Platform - Senior Engineer
Emplo Inc.
Ottawa, ON
Full-time
Work as part of a team focused on containerization, virtualization, VM management and fault tolerance/carrier grade development.
Added 1 hour ago
Account Executive - Canada
SUSE
CAOOH - Out of Home: Canada
Full-time
…offerings with client needs, curating a precise mix of products, services, and solutions to address their challenges and deliver long term…
Added 2 hours ago
Senior Bookkeeper, ease Cloud Accounting Services
ACCA Careers
Langley (District), BC · City of Langley, BC
Full-time
Make an impact with our ease Cloud Accounting Services team as a Senior Bookkeeper. This diverse team of professionals are dedicated to exceeding clients’ unique needs within a rapidly…
Added 2 hours ago
Controller
Government of Yukon
Whitehorse, YT
Full-time
…and local liquor producers through a range of programs and services. We continuously evolve our business structure to improve the way we operate our Whitehorse Liquor Store, central…
Added 2 hours ago
Senior Communications Advisor
Government of Yukon
Whitehorse, YT
Full-time
The French Language Services Directorate is seeking a collaborative and solution-focused project lead to support the development of a government-wide strategy for strengthening bilingual…

Citi

Senior Backend Principal Developer - Vice President

Mississauga, ON, Canada

Pay: $120,800.00 - $170,800.00
Job type: Full-time
Apply by: Oct 2, 2026
Experience: 6-10 years of extensive experience in backend software development, with significant experience in architecting and leading complex, large-scale enterprise platforms.
Posting language: English
Posted: Sep 30, 2026

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Original job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

The Senior Backend Principal Developer is a senior level position responsible for developing a robust collection of connected and complementary technical solutions that deliver an enterprise scale framework that serves hundred-thousands of clients and millions of web requests every day. The platform establishes an interconnected experience for both internal and external users by seamlessly integrating existing applications.

Key Responsibilities:

As a Senior Backend Principal Developer, you will be a hands-on technical leader responsible for the design, architecture, and implementation of critical backend services within this integrated digital experience platform. Your expertise will drive the development of highly scalable, secure, and resilient solutions.
Technical Vision & Leadership: Provide technical leadership and strategic direction for backend development, influencing architectural decisions and technology choices.
Hands-on Development: Design, develop, and maintain high-performance, fault-tolerant backend services and APIs using modern programming languages and frameworks. This includes core components for user authentication, authorization, content routing, and data integration.
Architectural Stewardship: Lead the definition and evolution of backend architecture, ensuring alignment with principles of scalability, security, reliability, and maintainability in a federated system.
Security: Implement and enforce robust security measures, including single sign-on (SSO), centralized entitlements, and adherence to cyber defense standards across all backend components.
Performance Engineering: Optimize backend systems for speed and efficiency, incorporating caching strategies, asynchronous processing, and efficient data access patterns.
Integration Design: Architect and implement solutions for integrating diverse Content Provider applications into the unified platform via HTTPS-based interfaces.
Mentorship & Best Practices: Mentor senior developers, conduct in-depth code reviews, and champion best practices in software engineering, including design patterns, testing methodologies, and operational excellence.
Troubleshooting & Problem Solving: Serve as a subject matter expert for complex production issues, leading root cause analysis and resolution efforts for critical backend services.
Collaboration: Partner closely with product management, front-end teams, architects, and infrastructure teams to translate business requirements into technical solutions and deliver features end-to-end.
Compliance: Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Recommended Qualifications:

6-10 years of extensive experience in backend software development, with significant experience in architecting and leading complex, large-scale enterprise platforms.
Demonstrated experience in a Principal or Lead Developer role, with a strong track record of technical leadership and hands-on contribution.
Expert-level proficiency in modern Java backend programming language and associated frameworks.
Deep understanding and practical experience with distributed systems, microservices architectures, and RESTful API design.
Proven experience with identity and access management (IAM) solutions, including SSO protocols (e.g., OAuth2, OpenID Connect) and fine-grained authorization.
Solid experience with cloud-native development principles, containerization (Docker), orchestration (Kubernetes), and Cloud Adoption (GCP and AWS)
Strong knowledge of database technologies, including both relational and NoSQL databases.
Exceptional problem-solving and analytical skills, with the ability to tackle ambiguous problems and drive solutions.
Excellent communication, presentation, and interpersonal skills, capable of influencing technical decisions and collaborating effectively across diverse teams.
Hands-on experience with the other Backend technologies: Unix, Oracle, Any caching solutions and any AI adoption. Good knowledge on the Frontend integration is a plus: ReactJS, Content Security Policy, Adopting Corporate Design System, ADA Compliance

Education:

Bachelor’s degree/University degree in Computer Science, Software Engineering or equivalent experience

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Apply About employer

More about this job

Responsibilities

The Senior Backend Principal Developer will lead the design, architecture, and implementation of critical backend services for an enterprise-scale digital platform. This role involves providing technical leadership, ensuring system security and performance, and mentoring senior developers to maintain high engineering standards.

Requirements

Candidates must have 6-10 years of experience in backend software development with a strong background in distributed systems and microservices. Expert-level proficiency in Java and experience with cloud-native technologies like Docker, Kubernetes, and major cloud platforms are required.

Skills

Java
Microservices
RESTful API
Cloud-native development
Docker
Kubernetes
GCP
AWS
Relational databases
NoSQL
Identity and access management
OAuth2
OpenID Connect
Unix
Oracle
System architecture

Visa sponsorship

Not detected in the job text

Keywords

Java
Backend development
Microservices
RESTful API
Cloud-native
Docker
Kubernetes
GCP
AWS
Relational databases
NoSQL
Identity and access management
OAuth2
OpenID Connect
Unix
Oracle
System architecture
Enterprise scale
API design
Performance engineering
Security
Single sign-on
Software engineering
Technical leadership
Distributed systems
ReactJS
Content security policy
ADA compliance
AI adoption
Caching

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